This happened a few times and shrugged it off, but this time I caught it as it happened. Match was going smoothly then the game froze for a few seconds, after the freeze, the map became unusable. I have to reload the game after saving to get it back. Below is the output log, I wasn't able to get a screenshot, for some reason it kept giving a black screen after it happened.
Windows 10 Pro 64-bit
64 Gigs RAM
Octocore I-7 6700k 4.00Ghtz
nVidia GTX 1080 8-gig
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